Choose the option that best conveys the meaning of the underlined portion in the following sentence;
Mr. Jack could be a successful businessman if he paid more attention to the more intricate aspects of his account

• A.Mr Jack will undoubtedly succeed
• B.Mr Jack cannot succeed
• C.Jack will have a very good chance of succeeding
• D.Mr. Jack will find it difficult to succeed
• E.Mr Jack will succeed in spite of all odds